Abstract: A tubing system includes a fluid carrying tubing including an undulating outer surface of peaks and valleys; a jacket encasing the tubing; a string located between the tubing and the jacket, the string configured to cut through the jacket to facilitate removal of the jacket.

Abstract: A tubing system includes a fluid carrying tubing; a first jacket encasing the tubing; a second jacket encasing the first jacket; the second jacket including a plurality of longitudinally extending ribs circumferentially arranged on an inside surface of the second jacket.

Abstract: A fitting for use with metal, corrugated tubing having peaks and valleys, the fitting includes a nut configured to receive the tubing; a sealing member for placement in a valley of the tubing, the sealing member including a sealing surface; and an adaptor configured to be press fit into the nut, the adaptor including an adaptor sealing surface; wherein upon assembly, the adaptor is press fit into the nut and the tubing is compressed between the adaptor sealing surface and the sealing surface.

Abstract: Disclosed is a fitting (1) for use with corrugated tubing (2) having a series of peaks (3) and valleys (4). The fitting (1) comprises a nut (5) having a passage (6) therethrough for receiving the tubing (2) and at least one retainer (7) arranged in the nut (5), wherein the retainer (7) has a retainer sealing surface (8) for placement in a valley (4) of the corrugated tubing (2). The fitting (1) further comprises a body (9) having a pointy annular body sealing edge (10) arranged so that the apex (11) of the body sealing edge (10) is pressed against the retainer sealing surface (8) when the nut (5) and the body (9) are forced toward each other. A method for connecting corrugated tubing (2) to a fitting (1) comprising a nut (5), a retainer (7) and a body (9) and use of a fitting (1) is also disclosed.

Abstract: A fitting for use with a cable contained in a corrugated metal tubing, the fitting including an adaptor having an internal, longitudinal passage to receive the cable; a body coupled to the adaptor; an internal seal positioned between the adaptor and the body, the internal seal radially disposed about the cable; a nut coupled to the body; and a sealing member positioned between the nut and the body, the sealing member for placement in a valley of the corrugated metal tubing to compress a portion of the corrugated metal tubing between the sealing member and the body.

Abstract: A fitting for use with a cable contained in a corrugated metal tubing, the fitting including an adaptor having an internal, longitudinal passage to receive the cable; a body coupled to the adaptor; an internal seal positioned between the adaptor and the body, the internal seal radially disposed about the cable; a nut coupled to the body; and a sealing member positioned between the nut and the body, the sealing member for placement in a valley of the corrugated metal tubing to compress a portion of the corrugated metal tubing between the sealing member and the body.

Abstract: A fitting for use with metal tubing includes an adaptor, the adaptor having a longitudinal passage having a longitudinal axis for fluid flow; a body for receiving the tubing, the body positioned opposite the adaptor and aligned with the longitudinal axis; a metal sealing member positioned between the adaptor and the body; a nut positioned opposite the body; a jacket lock ring positioned radially inwardly of a portion of the nut, the jacket lock ring for making a mechanical connection with an outer jacket of the tubing; and at least one fastener coupling the nut, body and adapter.

Abstract: A fitting for use with metal tubing in a jacket, the fitting including: an adapter, the adapter having a tubular member defining a longitudinal passage having a longitudinal axis for fluid flow; a body for receiving the tubing, the body positioned opposite the adapter and aligned with the longitudinal axis; a sealing member positioned between the adapter and the body; a retainer positioned external to the sealing member, the retainer receiving the adapter and receiving the body; a first flange located near the adapter and a second flange located near the body; and a fastener for drawing the first flange and second flange towards each other.

Abstract: A fitting for use with metal tubing includes an adaptor, the adaptor having a longitudinal passage having a longitudinal axis for fluid flow; a body for receiving the tubing, the body positioned opposite the adaptor and aligned with the longitudinal axis; a metal sealing member positioned between the adaptor and the body; a nut positioned opposite the body; a jacket lock ring positioned radially inwardly of a portion of the nut, the jacket lock ring for making a mechanical connection with an outer jacket of the tubing; and at least one fastener coupling the nut, body and adapter.

Abstract: A fitting for use with corrugated tubing, the fitting comprising: a nut having a passage therethrough for receiving the tubing, the tubing being corrugated tubing having a series of peaks and valleys; a plurality of retainers positioned forward of the nut, the retainers having a sealing surface for placement in a valley of the corrugated tubing; a body having an annular pocket formed circumferentially around the retainers, the body having a body sealing surface, wherein upon sealing, the tubing is compressed between the sealing surface and the body sealing surface; a spring positioned within a cavity in the retainers, the spring driving the retainers into the pocket when the fitting is not sealed.

Abstract: A fitting for use with metal tubing in a jacket, the fitting including: an adapter, the adapter having a tubular member defining a longitudinal passage having a longitudinal axis for fluid flow; a body for receiving the tubing, the body positioned opposite the adapter and aligned with the longitudinal axis; a sealing member positioned between the adapter and the body; a retainer positioned external to the sealing member, the retainer receiving the adapter and receiving the body; a first flange located near the adapter and a second flange located near the body; and a fastener for drawing the first flange and second flange towards each other.

Abstract: A fitting for use with metal tubing in a jacket, the fitting including: an adaptor having exterior threads at a first adaptor end, the adaptor having a longitudinal passage for fluid flow; a body having interior threads at a first body end, the interior threads engaging the exterior threads to secure the body to the body in a first body cavity; and a jacket lock ring positioned at a second body end, the jacket lock ring including barbs for engaging a surface of the jacket.

Abstract: A fitting for use with corrugated tubing, the fitting comprising: a nut having a passage therethrough for receiving the tubing, the tubing being corrugated tubing having a series of peaks and valleys; a plurality of retainers positioned forward of the nut, the retainers having a sealing surface for placement in a valley of the corrugated tubing; a body having an annular pocket formed circumferentially around the retainers, the body having a body sealing surface, wherein upon sealing, the tubing is compressed between the sealing surface and the body sealing surface; a spring positioned within a cavity in the retainers, the spring driving the retainers into the pocket when the fitting is not sealed.

Abstract: A fitting for use with corrugated tubing, the fitting comprising: a nut having a passage therethrough for receiving the tubing, the tubing being corrugated tubing having a series of peaks and valleys; a plurality of retainers positioned forward of the nut, the retainers having a sealing surface for placement in a valley of the corrugated tubing; a body having an annular pocket formed circumferentially around the retainers, the body having a body sealing surface, wherein upon sealing, the tubing is compressed between the sealing surface and the body sealing surface; a spring positioned within a cavity in the retainers, the spring driving the retainers into the pocket when the fitting is not sealed.

Abstract: A fitting for use with metal tubing in a jacket, the fitting including: an adaptor having exterior threads at a first adaptor end, the adaptor having a longitudinal passage for fluid flow; a body having interior threads at a first body end, the interior threads engaging the exterior threads to secure the body to the body in a first body cavity; and a jacket lock ring positioned at a second body end, the jacket lock ring including barbs for engaging a surface of the jacket.

Abstract: A tubing assembly including a conductive corrugated tubing including convolutions of peaks and valleys and a polymer jacket disposed along a length of said corrugated tubing, the polymer jacket including a fire retardant.

Abstract: A tubing assembly including conductive corrugated tubing including convolutions of peaks and valleys and a conductive polymer jacket disposed in said valleys along a length of said corrugated tubing.

Abstract: An embodiment of the invention is a piping system including a fluid impermeable sleeve having a plurality of longitudinal, spaced ribs formed on an interior surface of the sleeve. A fluid carrying tubing is positioned internal to the sleeve. A coupling has a first end and a second end, the first end having interior threads engaging an outer surface of the sleeve. The coupling has a vent opening in fluid communication with the interior of the sleeve.

Abstract: A fitting for corrugated tubing has a body with an internal conduit therethrough and a centerline. The body further includes a distal end located on a first end of the body, the distal end having a first outer diameter and a cross sectional thickness. A channel is formed through an interior surface of the distal end, which channel extends circumferentially around the interior surface of the distal end. Thereby, a sealing material may be inserted into the channel, between the interior surface of the distal end and the internal conduit.

Abstract: An exemplary embodiment of the invention is a kit for installing an underground piping system. The kit includes a protective conduit having flexible piping contained therein and a plurality of sealing members. The installer positions the protective conduit and flexible piping as a single unit thereby facilitating installation.